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    <title>Document</title>
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  <body>
    <!-- 4.ECharts 的容器(必须要有高度，宽度是可选的) -->
    <div id="main" style="height: 400px"></div>

    <!-- window.echarts -->
    <script src="../libs/echarts-5.3.3.js"></script>
    <script>
      window.onload = function () {
        // 1.基于准备好的dom，初始化echarts实例
        var myChart = echarts.init(document.getElementById("main"));

        // 2.指定图表的配置项和数据
        var option = {
          // grid网格组件
          grid: {
            show: true,
            backgroundColor: "rgba(0,255,0,0.1)",
          },
          xAxis: {
            data: ["衬衫", "羊毛衫", "雪纺衫", "裤子", "高跟鞋", "袜子"],
          },
          yAxis: {},
          series: [
            {
              name: "销量",
              type: "bar",
              data: [5, 20, 36, 10, 10, 20],
            },
          ],
        };

        // 3.使用刚指定的配置项和数据显示图表。
        myChart.setOption(option);
      };
    </script>
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